87990812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4561}}^1$

素因数の和:4638

約数の個数: 48

約数和(自身を含む): 193136832

約数和(自身を除く): 105146020

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1484, 2756, 4561, 4823, 9122, 9646, 18244, 19292, 31927, 59293, 63854, 118586, 127708, 237172, 241733, 415051, 483466, 830102, 966932, 1660204, 1692131, 3142529, 3384262, 6285058, 6768524, 12570116, 21997703, 43995406, 87990812]

約数ペア:

[(1, 87990812), (2, 43995406), (4, 21997703), (7, 12570116), (13, 6768524), (14, 6285058), (26, 3384262), (28, 3142529), (52, 1692131), (53, 1660204), (91, 966932), (106, 830102), (182, 483466), (212, 415051), (364, 241733), (371, 237172), (689, 127708), (742, 118586), (1378, 63854), (1484, 59293), (2756, 31927), (4561, 19292), (4823, 18244), (9122, 9646)]